Bette and Bieber actually have a long and very weird history of throwing shade at each other. The Grammy-winning actress/singer tweeted about Justin's leaked nudes back in October, and in retaliation, he pretended like he had no idea who she was. In fact, he referred to her as "this Britt Meddler" during a Billboard interview.

So glad to know their celebrity feud is trucking along like the Little Engine That Could. Also, if you thought you'd get through this article without seeing Bieber's butt, you were wrong: